@ 72 m ) to the fin ##ial . it houses the cast @ - @ iron winds ##ha ##ft and 7 feet 2 inches ( 2 @ . @ 18 m ) diameter wooden brake wheel internally . externally the four double patent sails span 64 feet ( 19 @ . @ 51 m ) . they are 9 feet ( 2 @ . @ 74 m ) wide and can develop 30 horsepower ( 22 kw ) . the eight bladed fan ##tail keeps the mill turned into wind . the top floor of the mill is the dust floor . it could be used for storage of grain and gives internal access to the cap . the cast @ - @ iron wall ##ower ,
@ 72 m ) to the finial. it houses the cast @ - @ iron windshaft and 7 feet 2 inches ( 2 @. @ 18 m ) diameter wooden brake wheel internally. externally the four double patent sails span 64 feet ( 19 @. @ 51 m ). they are 9 feet ( 2 @. @ 74 m ) wide and can develop 30 horsepower ( 22 kw ). the eight bladed fantail keeps the mill turned into wind. the top floor of the mill is the dust floor. it could be used for storage of grain and gives internal access to the cap. the cast @ - @ iron wallower,